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OPERATING MANUAL PAT-810/815/820 version 1.06
77
Influencing factor
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0,1 %/ºC
unloaded output voltage: <12 V AC
test currentŚ ≥ 25
A for R ≤ 0,2 Ω
adjustable upper limit in the range of: 10 m
Ω
…1,99
Ω
with resolution 0.01
Ω
adjustable measuring time in the range of: 1 s
…60
s with resolution of 1 s
Measurement of insulation resistance using test voltage of 100V (only PAT-815/820)
Test range according to IEC 61557-2 for U
N
= 100V: 100k
Ω…99.9MΩ
Display range
Resolution
Measurement uncertainty
(basic)
0 k
Ω
...1999 k
Ω
1 k
Ω
(5 % m.v. + 8 digits)
2,00 M
Ω
...19,99 M
Ω
0,01 M
Ω
20,0 M
Ω
...99,9 M
Ω
0,1 M
Ω
Influencing factor
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0,1 %/ºC
Capacity
E
7
0 % for R
≤
20 M
Ω
Unspecified for R > 20 MΩ
Accuracy of generated voltage (Robc [W] ³ 1000*UN [V])
: -0 +30 % from the set value
nominal current: min 1 mA...1.4 mA
adjustable lower limit within the range of 0.1 M
Ω
….9.9 MΩ
with resolution of 0,1 M
Ω
adjustable measuring time: 3
s…3
min with a resolution of 1 s and option
Continuous test
detection of a dangerous voltage before commencing a measurement
discharging the object tested
Note: For R <50k
Ω
, the uncertainty is not specified.
Measurement of insulation resistance using test voltage of 250V (only PAT-815/820)
Test range according to IEC 61557-2 for U
N
= 250 V: 250 k
Ω…199.9
M
Ω
Display range
Resolution
Measurement uncertainty
(basic)
0 k
Ω
...1999 k
Ω
1 k
Ω
(5 % m.v. + 8 digits)
2,00 M
Ω
...19,99 M
Ω
0,01 M
Ω
20,0 M
Ω
...199,9 M
Ω
0,1 M
Ω
Influencing factor
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0,1 %/ºC
Capacity
E
7
0 % for R
≤
20 M
Ω
Unspecified for R > 20 MΩ
Accuracy of generated voltage (Robc [
]
1000*U
N
[V]): -0 % +30 % from the set value
nominal current: min 1 mA ... 1.4 mA
adjustable lower limit within the range of 0.1 M
Ω
….9.9 MΩ
with resolution of 0,1 M
Ω
adjustable measuring time: 3
s…3
min with a resolution of 1 s and option
Continuous test